1 H and correlation spectroscopy (COSY) 2D 1 H-1 H nuclear magnetic resonance (NMR) spectra were obtained on a Bruker DRX spectrometer of 300 and 500 MHz. The samples were prepared by dissolving 5 mg ...
The deuterated ... solvent was evaporated to give a crude brown product which was further purified by flash chromatography on silica gel column using as eluent a mixture of hexanes and ethyl acetate ...
Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, B.C. V5A 1S6, Canada *Andrew J. Bennet - Department of Chemistry, Simon Fraser ...
Centre for Hyperpolarization in Magnetic Resonance, University of York, Heslington YO10 5NY, United Kingdom Department of Chemistry, University of York, Heslington YO10 5DD, United Kingdom Centre for ...
All other chemicals and solvents used in this study were purchased from Aldrich (Milwaukee ... No side-reactions occurred during the debromination, and the NMR spectra of the final product confirmed ...